package org.bouncycastle.jce.spec;

import java.math.BigInteger;

/**
 * Elliptic Curve private key specification.
 */
public class ECPrivateKeySpec extends ECKeySpec {
    private BigInteger d;

    /**
     * base constructor
     * 
     * @param d
     *            the private number for the key.
     * @param spec
     *            the domain parameters for the curve being used.
     */
    public ECPrivateKeySpec(BigInteger d, ECParameterSpec spec) {
        super(spec);

        this.d = d;
    }

    /**
     * return the private number D
     */
    public BigInteger getD() {
        return d;
    }
}
